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Publications (117)
A new non-destructive index of absorbance difference (IAD), calculated with different wavelengths as references, near the chlorophyll absorbance peak or that for anthocyanin, has been used to determine the fruit ripening of several fruit species using portable devices such as Standard DA-Meter® and Kiwi-Meter®. In this study, for the first time, th...
The physical characteristics of the fruits are of great importance for the identification and selection of superior genetic materials, appropriate for commercialization or industrial use. Given the above, the objective was to physically characterize the araticum fruit and to verify the influence of accessions and fruit region under seed germination...
Hemerocallis is a floriferous species, which presents numerous genotypes that are constantly crossed, generating new cultivars. The germination and viability of pollen are influenced both by factors that are intrinsic and extrinsic to the pollen. In view of the above, the purpose of this study was to establish a growth medium for the germination of...
![Mineral composition [B, Cu, Mn, Zn and Fe (mg kg -1 )] in fruits of...](publication/358267723/figure/tbl3/AS:11431281085143354@1663634615076/Mineral-composition-B-Cu-Mn-Zn-and-Fe-mg-kg-1-in-fruits-of-blackberry-varieties_Q320.jpg)
Given the above, the objective of this study was to evaluate the bromatological, mineral and bioactive compounds of blackberry grown in a subtropical region. Blackberries fruits (Rubus sp.), Grown in an orchard of Unioeste, Campus Marechal Cândido Rondon (Paraná, Brazil), were used. Immediately after harvest, the fruits were taken to the Food Techn...
ABSTRACT The objective of this study was to evaluate the potential of rooting of podocarpos cuttings in function of the number of leaves, concentrations of IBA and phytorregulators, application methods and cutting season. Two experiments were carried out under weaning conditions, in a factorial scheme containing 3 replicates of 15 cuttings, the fir...
ABSTRACT The objective of this work was to evaluate asepsis protocols, composition and concentration of culture media in the in vitro establishment of three physalis species. In experiment I, seeds of 3 species were used x 3 asepsis protocols. In experiment II, 3 culture media and explants 3 species were used. In experiment III, explants of 2 speci...
The most widely used method of olive propagation is cutting, although for some cultivars the technique is still limited. The objective of this work was to evaluate the use of plant growth promoter bacteria and arbuscular mycorrhizal fungi in the rooting of olive cuttings. Two experiments were conducted from October 2017 to January 2018 with cutting...
Acerola fruit is one of the richest natural sources of ascorbic acid. As a consequence, acerola fruit and its products are in demand worldwide for the production of health supplements and for the development of functional products. Acerola phenotypes (103) were screened in Western Paraná State, in the Southern region of Brazil, and evaluated to obt...
Due to the fact that the western region of Paraná is considered subtropical, with high temperatures in the summer, the hybrids of Encyclia are commercialized by the beauty of its flowers and durability. However, there are no studies involving potted plants, substrate types and fertilizers, as well as hybrids, for the genus Encyclia. Thus, the objec...
The germination process of the Annona sylvatica A.St.-Hil becomes difficult because the seeds have physical and physiological numbness. Although, the objective was to evaluate the effect the gibberellic acid can have in overcoming this physiological process. So that, aimed to evaluate the effect of the gibberellic acid in the overcoming dormancy of...
This study evaluated two alcoholic sources in the preparation, chemical characterization, and acceptability of homemade Kei apple liqueurs. Kei apple fruits were harvested from 4-year-old plants and immediately transported to the laboratory. The liqueur prepared with vodka + fruits without the epicarp was named L1;the liqueur prepared with sugarcan...
The asexual propagation of conifers, such as Podocarpus macrophyllus (Thunb.) Sweet, faces difficulties. Among the factors that can improve the efficiency of asexual propagation are the types of cuttings used and lesions performed at the base of the cuttings, and the use of plant regulators, such as indolebutyric acid (IBA). This study determined t...
The objective of this study is to evaluate the composition, nutritional aspects and sensory analysis of the dovyalis jam. Dovyalis fruits were harvested from 4-year-old plants in the orchard of the Unioeste Experimental Farm. They were collected in the morning in polyethylene boxes, when they were ripe and with a purple coloration from the epicarp,...
The purpose this study was to evaluate the vegetative development, yield and quality of strawberry cultivars of short and neutral days as a function of soil cover. Two experiments were carried out in a protected environment. The experimental design used in both experiments consisted of randomized blocks, with subdivided plots. Harvests were carried...
O presente trabalho teve como objetivo avaliar o efeito das telas de 50% de sombreamento coloridas sobre a emergência e o desenvolvimento de mudas de três espécies de fisális. O delineamento experimental foi blocos ao acaso, em esquema de parcelas subdivididas com quatro repetições. As telas utilizadas apresentaram 50% de sombreamento e quatro colo...
In the western region of Paraná, the subtropical climate prevails, with little accumulation of hours of cold in the winter, making the fruit species not go into complete dormancy. Given the above, the objective of this study was to evaluate the effect of chemical defoliant on blackberry varieties, aiming at their complete defoliation and induction...
The objective of this work was to verify the fixation and development in the field and later production of Physalis seedlings species produced in different levels of shading. The treatments were composed by Physalis seedlings formed in different environment with shading and four species. The conduction system adopted was “V”. The seedlings survival...
The purpose of this study was to evaluate the agronomic behavior of the Niagara Rosada variety cultivated under plastic cover, using defoliation intensities, and its influence on the Plasmopara viticola. The experiment was conducted in Francisco Beltrão, PR, Brazil, in a vineyard of Niagara Rosada variety in a trellised system during the 2016/2017...
The purpose of this study was to evaluate the phenological behavior and agronomic potential of blackberry varieties and hybrids in a subtropical region. Blackberry seedlings of four varieties and two hybrids were purchased in April 2015 in the form of stem cuttings and transplanting in July 2015. Winter pruning was carried out on August 18, 2016 an...
As plantas são diretamente afetadas por fatores ambientais tais como, estresse hídrico, temperatura, radiação, dentre outros. Estes fatores afetam não só os órgãos vegetativos, mas também estruturas reprodutivas, podendo acarretar danos à plantas agronomicamente exploradas. Physalis peruviana L. é uma espécie de interesse comercial pertencente à fa...
The main propagation mode of dovyalis is by seeds, what makes important to determine the ideal moment of fruit harvest. This study aimed to evaluate the physiological seed quality and harvest time of dovyalis fruits. To determine the fruit physical attributes, they were visually classified into five classes, according to the maturity stages, based...
No Brasil, a vasta região produtora de morangos revela variações nas condições edafoclimáticas, estando estas ligadas a fertilidade do solo e ao comportamento vegetativo e produtivo dos morangueiros. Tais condições, somadas ao longo período reprodutivo da cultura e as diferentes demandas de nutrientes durante o ciclo, exigem atenção especial no que...
The commercial propagation of rose bushes is carried out asexually by the cutting method. The genetic material and the substrate are factors that interfere in the rhizogenic process of the cuttings. Thus, the aim of this work was to evaluate the effect of the substrate on the rooting of cuttings of two hybrid rose bushes. Floriferous branches of ma...
A utilização de substratos e ambientes é importante fator a ser analisado na determinação da qualidade de germinação e crescimento de mudas de espécies de fisális. Diante do exposto, objetivou-se com o presente trabalho, avaliar a germinação e o crescimento inicial de duas espécies não convencionais de fisális, submetidas a diferentes ambientes e s...
The framboseira-negra has a potential for cultivation in Brazil, due to the fact that this fruit produces high quantities of fruits, which confer a high quality jelly. However, their propagation is an obstacle to the establishment of commercial plantations. Production and expansion of a fruit is directly linked to the propagation method and the qua...
The objective of this work was to evaluate the bioactive compounds, antioxidant activity, and physicochemical characteristics of dovyalis fruit to obtain technological knowledge about this fruit when grown under the conditions found in the municipality of Marechal Cândido Rondon, Paraná State, Brazil. Dovyalis fruits from the State University of We...
The objective of this work was to evaluate the bioactive compounds, antioxidant activity, and physicochemical characteristics of dovyalis fruit to obtain technological knowledge about this fruit when grown under the conditions found in the municipality of Marechal Cândido Rondon, Paraná State, Brazil. Dovyalis fruits from the State University of We...
Girdling consists of elimination of a small part of the cortex around a pre-selected branch, this technique being successfully applied in fruit trees. The aim of this study was to assess the effect of girdling period and types on branches of olive cultivars on their vegetative development and fructification. The study was conducted at the Epamig Ex...
This study aimed to evaluate productive characteristics and levels of photosynthetic pigments in two strawberry cultivars on different types of mulching, in an open cultivation system. The experiment was a 2 x 4 factorial completely randomized block design, with 2 varieties (Camarosa and Camino Real) and 4 ground covers (black low-density polyethyl...
A granadilha é um maracujá doce, sendo os frutos consumidos in natura. O principal método de propagação de mudas é via sexuada, porém com baixa taxa de germinação devido a dormência encontrada nas sementes. Diante do exposto, objetivou-se com o presente trabalho avaliar o ácido giberélico e temperatura na germinação de sementes de granadilha. O del...
The environment can be a limiting factor for development of Physalis species seedlings. Thus, the aim of this present study was to evaluate the initial development of Physalis species when subjected to cultivation environments. The experimental design was a randomized block design, factorial 3 x 3 (three Physalis species being Physalis peruviana, P...
The sensory analysis of olive oil constitutes a fundamental tool in determining the commercial grade of oil. To obtain this certification, the oil must pass through the analysis of a group with 8 to 12 people, trained and qualified by regulatory bodies, called ‘panel test’, which will feature the organoleptic properties of the oil, setting its comm...
RESUMO A vitivinicultura é uma atividade relevante, e de grande potencial, no oeste do Paraná, mas há carência de adequações do manejo cultural das videiras finas, nessa região. Diante do exposto, objetivou-se, com este trabalho, avaliar as intensidades e as épocas de poda, associadas ao uso de produtos para quebra de dormência, em videiras finas c...
Plant cutting is a widely used propagation method for olive trees. Its viability depends on the capacity for the adventitious root formation of each species. Nevertheless, it is necessary to study the different characteristics of this process. The purpose of this study was to evaluate the influence of substrates on the rooting of semi hardwood stem...
Gladiolus is among the most traditional and important cut flowers in Brazil. Silicon (Si) is an element that has increased the production and quality of some ornamental plants. This study aimed at evaluating the production and nutritional status of gladiolus cultivars under greenhouse conditions, according to the Si doses applied to the substrate....
Gladiolus is an important cut flower commercialized in Brazil, and the use of gibberellic acid (GA3) to cultivate it in a protected environment may promote the production of high quality flower spikes. This study aimed at evaluating the production of flower spikes and corms of gladiolus ('White Friendship' cultivar) submitted to high concentrations...
ABSTRACT The aim of this study was to analyze the effect of colored-shade nets on the physicochemical characteristics of physalis in subtropical area. The experimental design was the randomized blocks with a 4 × 5 factorial, being four species of physalis (Physalis peruviana, P. pubescens, P. minima and P. ixocarpa) and four net colors (white, blue...
The waste obtained from olive oil extraction process are by products generated in different ways and composition, according to the used extraction equipment, the olive variety and the fruit maturity. In the olives pressing traditional process, using continuous three-phase process, the waste produced comprise the liquid portion (vegetation water) +...
The rose is a major ornamental species produced in Brazil. Its propagation is mainly made by cutting. In the process, cutting and substrate can influence the quality of seedlings. Given the above, the aim of the present study was to evaluate the best cutting withdrawal region and the appropriate substrate for vegetative propagation of pot rose cv....
The objective of this study was to evaluate the production of seedlings of Physalis L. species under different-colored shade nets. Four shade nets individually stained white, blue, red and black, all with 50% shading, were used in this study, and an additional treatment (control) was used in which seedlings were grown in full sun. The study examine...
The rose is a major ornamental species produced in Brazil. Its propagation is mainly made by cutting. In the process, cutting and substrate can influence the quality of seedlings. Given the above, the aim of the present study was to evaluate the best cutting withdrawal region and the appropriate substrate for vegetative propagation of pot rose cv....
In orchid cultivation, tissue culture has been an important and effective tool for obtaining good quality seedlings on a large scale and within a short period of time. This study aims to evaluate culture media on the in vitro growth and development of orchid hybrids. Seedlings 1-1.5 cm long, deriving from in vitro germination of seeds, were inocula...
Objetivou-se com este trabalho quantificar a composição mineral das folhas de Oliveira a fim de diagnosticar o estado nutricional das plantas cultivadas em sistema convencional. O experimento foi conduzido com sete cultivares Arbequina, MGS Asc 315, MGS Mariense, MGS Grap 541, MGS Grap 561, Grappolo 575 e Leccino, em blocos casualizados com 4 repet...
The seedlings quality is one of the most important factors in the implantation of new orchards. In this
sense, this work aimed to evaluate the emergence and initial development of Cape gooseberry
seedlings with different substrate compositions. The experiment was performed in the experimental
area of Federal Technological University of Parana, Camp...
O Physalis sp., popularmente conhecido como fisális, é um gênero com mais de 100 espécies, pertencente à família Solanaceae, caracterizado pelo cálice concrescido, que envolve e protege o fruto contra herbívoros e intempéries. Os frutos, de sabor agridoce, são muito utilizados na culinária, podendo também ser processados em geleias, doces e licores...
In vitro culture offers a controlled system to study the nutritional, physiologic and biochemical processes of embryos in several developmental stages. In this work, the relationship between development stage of the fruit and sucrose concentration in the culture medium for in vitro development of coffee embryos was evaluated. Embryos of Coffea arab...
The purpose of this study was to determine the silicon source that provides better growth of Cattleya loddigesii orchid plants. Seedlings from seeds germinated in vitro with approximately 1.0 cm in length were inoculated in tubes containing 15 mL of modified Knudson C culture medium, added with sodium silicate (0, 5, 10 and 20 mg L-1) and potassium...
The aim of this study was to determine changes in the Knudson medium by supplementation with iodide potassium and cobalt chloride to improve the in vitro growth of Cattleya loddigesii Lindl. plantlets. In vitro seedlings of approximately 1 cm in length were inoculated on test tubes containing 15 mL of modified Knudson C medium, supplemented with io...
This work evaluated the performance of clonal olive tree gardens in successive cuts aiming cutting propagation. The clonal garden was installed in March 2006, in grooves 40 cm deep. Two cultivars (Ascolano 315 and Arbequina) were evaluated and cut in 2007, 2008 and 2009. The test was carried out in split plot in time in a randomized block design wi...
O trabalho teve por objetivo avaliar o desempenho de jardins clonais de oliveira em cortes sucessivos visando a sua propagação por estaquia. Os jardins clonais foram instalados em março de 2006, em sulcos com 40 cm de profundidade. Foram avaliadas duas cultivares (Ascolano 315 e Arbequina) e três anos de cortes (2007, 2008 e 2009). O ensaio foi con...
The nonexistence of a methodology adapted for the asexual multiplication of C. arabica in commercial scale has been the largest restriction to the employment of this technique as strategy for the use of coffee hybrid obtained by the genetic improvement. With the objective of refine the micropropagation techniques of coffee shoots, nodal segments of...
O trabalho teve por objetivo avaliar o desempenho de jardins clonais de oliveira em cortes sucessivos visando sua propagação por estaquia. O estudo foi conduzido na Epamig em Maria da Fé (MG), Brasil. Os jardins clonais foram instalados em março de 2006, em sulcos com 40 cm de profundidade. Foram avaliadas duas cultivares (Ascolano 315 e Arbequina)...
O trabalho teve por objetivo avaliar o desempenho de jardim clonal de cultivares e densidade de plantas de oliveira visando sua propagação por estaquia. O jardim clonal foi instalado em março de 2008, o plantio feito em sulcos com 40 cm de profundidade e quatro espaçamentos entre plantas e o primeiro corte foi realizado em fevereiro de 2009. Foram...
RESUMO A micropropagação da amoreira-preta pode gerar plantas livres de vírus e em curto espaço de tempo. Com o objetivo de aprimorar técnicas de propagação in vitro de amoreira-preta, testaram-se diferentes meios de cultivo e concentrações de 6-belzilaminopurina (BAP) e ácido indolbutírico (AIB). O primeiro experimento constou da cv. Brazos inocul...
Micropropagation can be a viable technique for the multiplication of olive trees. The objective of this work was to induce multiplication in explants of olive tree. Nodal segments with 2 cm length, without leaves, derived from in vitro plantlets of cultivar Ascolano 315 were excised and inoculated in test tubes. The tubes contained 15 mL of OM (Oli...
Para que o azeite de oliva seja comercializado, precisa apresentar-se dentro dos padrões vigentes, com base em análises físico-químicas que o qualificarão. O presente trabalho teve por objetivos verificar as características físico-químicas de diferentes variedades de olivas introduzidas no município de Maria da Fé, sul de Minas Gerais, Brasil, com...
A produtividade da videira (Vitis labrusca L.) cultivar Folha de Figo na região de Caldas, MG, é muito baixa, devido, entre outros fatores, à ocorrência de viroses. Objetivou-se neste estudo, selecionar clones mais produtivos dessa cultivar, bem como a sanidade dos mesmos. O trabalho iniciou-se em 1994, em vinhedo da EPAMIG e propriedades particula...
Propagation of Passiflora setacea DC. is extremely difficult, therefore tissue culture techniques become a viable alternative. The objective of this study was to evaluate the in vitro germination and determine the best culture medium for micropropagation. This work was carried out in two stages; in the first, seeds were placed in % MS culture mediu...
The effect of polyamines spermine and spermidine in the calluses growth of Hancornia speciosa Gomes was studied. Calluses with 0.5 cm diameter were inoculated in Murashige & Skoog (1962) (MS) medium 50% + hidrolizated casein 100 mg L -1 + yeast 200 mg L -1, according to the treatments: A: spermine 1 mmol + 2.4-D 2 mg L -1 + NAA 0.5 mg L -1, B: sper...
Calla lily (Zantedeschia aethiopica) is appreciated as cut flower and for the composition of gardens. However, many pathogens affect this species. By the traditional method of propagation, some units of new seedlings can only be produced annually. Tissue culture allows fast large-scale clonal propagation and provides healthy uniform plants. During...
O elevado custo do nitrato de amônio, aliado à dificuldade de aquisição do mesmo, tem levado à realização de trabalhos, no sentido de buscar alternativas para a substituição dessa fonte de nitrogênio. Objetivou-se estudar a viabilidade técnica da substituição do nitrato de amônio por uréia, como fonte de nitrogênio no meio de cultura para o cultivo...
The high cost allied to the difficulty in the acquisition of the ammonium nitrate has been taking the accomplishment of works looking for an alternative for the substitution of this source of nitrogen. It was aimed at to study the technical viability of the substitution of the ammonium nitrate for urea, as source of nitrogen in the culture media fo...
The genera Cattleya , Laelia and Brassavola occur naturally in Brazil and they are world wide wanted as ornate plants and that desire for them creates the necessity to develop better propagation’s techniques not only to attend the market needs but also to contribute to the replacement of the endangered species where they could become extinct. The e...
Calla lily (Zantedeschia aethiopica) is appreciated as cut flower and for the composition of gardens. However, many pathogens affect this species. By the traditional method of propagation, some units of new seedlings can only be produced annually. Tissue culture allows fast large-scale clonal propagation and provides healthy uniform plants. During...
A micropropagação da amoreira-preta pode gerar plantas livres de vírus e em curto espaço de tempo. Com o objetivo de aprimorar técnicas de propagação in vitro de amoreira-preta, testaram-se diferentes meios de cultivo e concentrações de 6-belzilaminopurina (BAP) e ácido indolbutírico (AIB). O primeiro experimento constou da cv. Brazos inoculada em...
Annona crassiflora Mart known as 'araticum', 'marolo' or 'field araticum' is a typical fruit from the Cerrado biome of Brazil with socio-economic and medicinal importance. Normally, Annona crassiflora is propagated through seeds. However, due to a deep dormancy that the seeds display at dispersion and the difficulty to obtain uniform plants in a sh...
The micropropagation of temperate fruit trees may generate virus-free plants with the additional advantage of a shorter period of time compared to the traditional culture. Aiming to improve the in vitro propagation of blackberry and grapevine, different boron and zinc concentrations added to the culture medium were tested. The culture medium was co...
